WO2011116052A2 - Enhanced lactoperoxidase system for treatment of milk products - Google Patents
Enhanced lactoperoxidase system for treatment of milk products Download PDFInfo
- Publication number
- WO2011116052A2 WO2011116052A2 PCT/US2011/028609 US2011028609W WO2011116052A2 WO 2011116052 A2 WO2011116052 A2 WO 2011116052A2 US 2011028609 W US2011028609 W US 2011028609W WO 2011116052 A2 WO2011116052 A2 WO 2011116052A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- milk
- lactoperoxidase
- milk product
- lactoperoxidase system
- enhanced
- Prior art date
Links
- 239000008267 milk Substances 0.000 title claims abstract description 222
- 235000013336 milk Nutrition 0.000 title claims abstract description 166
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- 108010015776 Glucose oxidase Proteins 0.000 claims description 34
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- 244000309466 calf Species 0.000 claims description 27
- WQZGKKKJIJFFOK-VFUOTHLCSA-N beta-D-glucose Chemical compound OC[C@H]1O[C@@H](O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-VFUOTHLCSA-N 0.000 claims description 22
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- 244000052769 pathogen Species 0.000 claims description 21
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 claims description 17
- 239000008103 glucose Substances 0.000 claims description 17
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- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 2
- RGHNJXZEOKUKBD-SQOUGZDYSA-N D-gluconic acid Chemical compound OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C(O)=O RGHNJXZEOKUKBD-SQOUGZDYSA-N 0.000 description 2
- 241000282412 Homo Species 0.000 description 2
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- HWPGTWGCGXNKHI-RQMZFSEBSA-N [(2S,3R)-1-[[(3S)-1-hydroxy-2-oxoazepan-3-yl]amino]-2-methyl-1-oxopentan-3-yl] (2S)-6-[[(Z)-hexadec-2-enoyl]-hydroxyamino]-2-[[(4S,5R)-2-(2-hydroxyphenyl)-5-methyl-4,5-dihydro-1,3-oxazole-4-carbonyl]amino]hexanoate Chemical compound CCCCCCCCCCCCC\C=C/C(=O)N(O)CCCC[C@H](NC(=O)[C@H]1N=C(O[C@@H]1C)c1ccccc1O)C(=O)O[C@H](CC)[C@H](C)C(=O)N[C@H]1CCCCN(O)C1=O HWPGTWGCGXNKHI-RQMZFSEBSA-N 0.000 description 1
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12Y—ENZYMES
- C12Y111/00—Oxidoreductases acting on a peroxide as acceptor (1.11)
- C12Y111/01—Peroxidases (1.11.1)
- C12Y111/01007—Peroxidase (1.11.1.7), i.e. horseradish-peroxidase
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23C—DAIRY PRODUCTS, e.g. MILK, BUTTER OR CHEESE; MILK OR CHEESE SUBSTITUTES; MAKING THEREOF
- A23C3/00—Preservation of milk or milk preparations
- A23C3/08—Preservation of milk or milk preparations by addition of preservatives
- A23C3/085—Inorganic compounds, e.g. lactoperoxidase - H2O2 systems
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K10/00—Animal feeding-stuffs
- A23K10/20—Animal feeding-stuffs from material of animal origin
- A23K10/26—Animal feeding-stuffs from material of animal origin from waste material, e.g. feathers, bones or skin
- A23K10/28—Animal feeding-stuffs from material of animal origin from waste material, e.g. feathers, bones or skin from waste dairy products
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K50/00—Feeding-stuffs specially adapted for particular animals
- A23K50/10—Feeding-stuffs specially adapted for particular animals for ruminants
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/21—Esters, e.g. nitroglycerine, selenocyanates
- A61K31/26—Cyanate or isocyanate esters; Thiocyanate or isothiocyanate esters
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K35/00—Medicinal preparations containing materials or reaction products thereof with undetermined constitution
- A61K35/12—Materials from mammals; Compositions comprising non-specified tissues or cells; Compositions comprising non-embryonic stem cells; Genetically modified cells
- A61K35/20—Milk; Whey; Colostrum
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K38/00—Medicinal preparations containing peptides
- A61K38/16—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof
- A61K38/43—Enzymes; Proenzymes; Derivatives thereof
- A61K38/44—Oxidoreductases (1)
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K38/00—Medicinal preparations containing peptides
- A61K38/16—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof
- A61K38/43—Enzymes; Proenzymes; Derivatives thereof
- A61K38/44—Oxidoreductases (1)
- A61K38/443—Oxidoreductases (1) acting on CH-OH groups as donors, e.g. glucose oxidase, lactate dehydrogenase (1.1)
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12Y—ENZYMES
- C12Y101/00—Oxidoreductases acting on the CH-OH group of donors (1.1)
- C12Y101/03—Oxidoreductases acting on the CH-OH group of donors (1.1) with a oxygen as acceptor (1.1.3)
- C12Y101/03004—Glucose oxidase (1.1.3.4)
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/80—Food processing, e.g. use of renewable energies or variable speed drives in handling, conveying or stacking
- Y02P60/87—Re-use of by-products of food processing for fodder production
Definitions
- the present invention relates to the use of an enhanced lactoperoxidase system for treatment of milk products.
- the enhanced lactoperoxidase system is used for treatment of waste-milk that can then be used to feed calves.
- Waste-milk can be non- saleable transition milk, mastitic milk or non-saleable antibiotic treated milk, i.e. milk from antibiotic treated animals, high somatic cell count milk that the producer has opted not to sell, or milk that is for any reason set aside to be fed to animals rather than sold for human consumption.
- This waste- milk had been used by dairy farmers to feed calves but concerns with the safety of this unpasteurized milk has led to the recommendation that unpasteurized waste-milk not be fed to calves.
- the risks of feeding unpasteurized milk to calves include transmission of infectious disease pathogens. Since the waste-milk is not saleable, the dairy farmer faces the unfortunate task of disposing of the waste-milk and/or using saleable raw milk or milk replacer to feed the calves. Alternatively, the farmer may choose to pasteurize the waste-milk, which adds new dimensions to proper management. Additionally, all of these choices lead to an increase in the costs incurred by a dairy farmer.
- lactoperoxidase system In developing countries, the lack of appropriate refrigeration and storage facilities and inadequate transport systems compound the difficulties of preserving locally produced milk as well as delivering milk to processing facilities for pasteurization.
- a lactoperoxidase system has been employed in such cases to extend the shelf-life of milk.
- the lactoperoxidase anti-bacterial system is indigenous to milk due to the occurrence of lactoperoxidase (a naturally occurring enzyme in milk), low levels of hydrogen peroxide often introduced by common bacteria and thiocyanate, which naturally occurs at varying levels within milk.
- the present invention relates to milk products treated with an enhanced lactoperoxidase system.
- the lactoperoxidase system is activated by the addition of a hydrogen peroxide source and an oxidizable agent such as a halide to a milk composition to inactivate spoilage organisms and bacterial pathogens.
- the hydrogen peroxide can be generated by the addition of glucose oxidase and glucose to the milk composition.
- the enhanced lactoperoxidase system may be used in conjunction with pasteurization to greatly reduce or eliminate the bacterial load in waste-milk.
- the present invention also relates to methods of treating waste-milk to sufficiently kill the bacteria using the enhanced lactoperoxidase system such that the waste-milk is acceptable as feed for calves.
- the present invention includes a milk product comprising a milk composition and LP system components, wherein the LP system components comprise lactoperoxidase, glucose oxidase, glucose and an oxidizable agent.
- the present invention includes an LP system activation add pack for milk compositions, the add pack components comprise glucose oxidase, glucose and an oxidizable agent wherein addition of the components of the add pack inactivates the bacterial pathogens in the milk composition.
- the present invention includes a method of treating a milk composition comprising activating an enhanced lactoperoxidase system by adding lactoperoxidase system components comprising glucose oxidase, glucose and an oxidizable agent.
- the present invention includes a method of feeding calves comprising providing a milk composition treated with an enhanced lactoperoxidase system.
- the treatment comprises activation of an enhanced lactoperoxidase system by addition of enhanced lactoperoxidase system components comprising glucose oxidase, glucose and an oxidizable agent.
- the present invention includes a method of reducing the spread of Johne's disease in animals.
- the method includes feeding the animals milk products treated with an enhanced lactoperoxidase system wherein the treatment comprises addition of components needed to activate the lactoperoxidase system, the components comprising glucose, glucose oxidase and a halide.
- Fig. 1 is a graph of the standard plate count of waste milk, pre pasteurization, post pasteurization and at the time of last calf feeding.
- Fig. 2 is images of plates showing plaques under different treatment conditions.
- the present invention relates to an enhanced antibacterial system for milk and milk related products.
- the preservation system is an enhanced lactoperoxidase system and involves lactoperoxidase, hydrogen peroxide and a halide, preferably iodide.
- Lactoperoxidase is an enzyme naturally occuring in the whey protein of milk and can oxidize molecules such as a halide in the presence of hydrogen peroxide.
- This preservation system advantageously is a natural and highly effective system, and may be used alone or in conjunction with pasteurization.
- the present invention includes the addition of a source(s) that provide hydrogen peroxide and an oxidizable agent such as a halide to a milk composition in order to activate the lactoperoxidase antibacterial system.
- the hydrogen peroxide source can include the addition of glucose oxidase and glucose because glucose oxidase oxidizes the glucose to form hydrogen peroxide.
- Lactoperoxidase in the presence low levels of hydrogen peroxide, oxidizes the halide generating a potent bactericidal system that can aid in milk preservation and destruction of pathogens.
- the enhanced lactoperoxidase system may also be effective against a number of bacteria that are particularly difficult to inactivate, such as Mycobacterium avium sub. paratuberculosis (MAP) which causes Johne's disease - a chronic wasting disease in cattle, and for which pasteurized waste-milk can be a vehicle for infection, since the organism has been shown to survive typical pasteurization.
- MAP Mycobacterium avium sub. paratuberculosis
- the lactoperoxidase system may also be employed to greatly reduce or prevent re-inoculation and growth of pathogens in pasteurized waste-milk.
- pathogens might include E coli, Salmonella, Clostridium perfringens, and the like, which have often proven deadly to calves.
- the enhanced lactoperoxidase system (LP) described herein can be beneficial for preserving milk products, for example, waste-milk and/or colostrum and reducing the occasion of milk or milk products being a vehicle for pathogens.
- Milk products referred to herein can include milk and milk-related products. Milk products can include, for example, raw milk, pasteurized milk, waste-milk, colostrum, milk balancer products and the like.
- Waste-milk referred to herein relates to any milk that is generally discarded and deemed not suitable for human consumption due to the milk being obtained from mastitic animals, antibiotic treated animals, transition cows and the like, or milk that is for any reason set aside to be fed to animals rather than sold for human consumption.
- the LP system is particularly preferred for use in treatment of waste-milk. Although the present invention is described below with respect to waste-milk embodiments, other milk products can also be treated in a similar manner and are all within the scope of this invention. Milk or milk-related products treated with the LP system can be suitable for consumption by animals and/or humans.
- the activation of the LP system can include addition of glucose, glucose oxidase and an oxidizable agent such as a halide.
- Halides can include, for example, chloride, fluoride, bromide and iodide. In preferred embodiments, iodide is used as the halide component.
- the glucose and the glucose oxidase are generally used to generate the hydrogen peroxide, but other peroxide sources may be employed, such as percarbonate, magnesium peroxide or a drip H 2 O 2 application, the use of which is also within the scope of this invention.
- lactoperoxidase Generally, sufficient endogenous lactoperoxidase is present in the milk products for inactivation of the pathogens.
- Other peroxidases exist which may be added to waste-milk fed to animals, which will enhance the antibacterial system.
- Other peroxidases can include, for example, horseradish peroxidase, fungal peroxidases and the like. These peroxidases may be isolated and concentrated from their natural source, or manufactured using recombinant DNA technology. The use of these and the like, as part of an antibacterial system in waste-milk is within the scope of this invention. Additional exogenous lactoperoxidase may also be added to enhance the antibacterial system.
- glucose and glucose oxidase are advantageous because they are both approved products for use in animals and are easily obtainable and non-toxic, and release of the peroxide is slow, occurring over an extended period of time.
- the glucose, glucose oxidase and halide may be in liquid form or in powdered form. A mixture of liquid components and powdered components are also within the scope of this invention.
- the amount of glucose, glucose oxidase and halide that are used to treat milk compositions can vary. Generally, the amount of glucose used in the waste-milk is between about 0.5 grams per liter and about 10.0 grams per liter. Preferably, the amount of glucose used in the waste-milk is between about 0.75 grams per liter and about 7.5 grams per liter and more preferably, between about 1.0 and about 1.1 grams per liter. The amount of glucose oxidase used in the waste-milk can vary and preferably is between about 0.01 grams per liter and about 0.1 grams per liter of a 10,000 GOD Units /gram glucose oxidase product.
- the amount of glucose oxidase used in the waste-milk is between about 0.03 grams per liter and about 0.06 grams per liter of a 10,000 GOD Units /gram glucose oxidase product.
- the concentration of the halide used in the waste-milk can vary. For example, in embodiments using iodide, the concentration is generally between about 0.1 ppm and about 10 ppm. Preferably, the concentration of the iodide in the waste-milk is about 4 ppm. Concentrations outside of these ranges are also within the scope of the invention.
- salts of organic acids such as sorbates, benzoates and propionates may also be added to the waste-milk.
- the organic acids can act synergistically with the components of the LP system to enhance the inactivation of the bacterial spoilage organisms and pathogens in the waste-milk.
- the amount of organic acid used can be between about 0.05 percent by weight and about 0.2 percent by weight. Preferably, the amount of organic acid used is about 0.075 percent. Amounts of organic acid outside of this range are also within the scope of this invention.
- Treatment of milk products with the LP system can aid in preservation of the milk product by inactivating spoilage organisms and bacterial pathogens in the milk.
- Pasteurization of the milk especially on-farm pasteurization of waste-milk, can reduce the number of pathogens to some extent but a significant number of pathogens may still be present or re-inoculation may occur due to unsanitary conditions, so that growth occurs in the excellent medium of poorly pasteurized waste milk.
- Pathogen levels of E coli and Salmonella can grow at alarming rates, doubling their population every 20 minutes, so that last calves fed may be at risk of infection.
- a variety of organisms can be inactivated using the LP system in milk products including, for example, E coli, Salmonella, Clostridium perfringens, Mycoplasma bovis, MAP and the like.
- treatment of waste-milk with the LP system can inactivate at least about 50 percent of the spoilage organisms and bacterial pathogens found in the milk.
- treatment of waste-milk with the LP system can cause a reduction of at least about 2-fold, and in some preferred embodiments, the LP system can cause a reduction of at least about 10-fold of the spoilage organisms and bacterial pathogens found in the milk. Reduction of spoilage organisms greater than about 10-fold are also within the scope of the invention.
- the combination of on- farm pasteurization with the LP system treatment can reduce the spoilage organisms by more than about 4 log (10,000 fold) reduction, preferably more than about 5 log (100,000 fold) reduction. In some preferred embodiments, the combination of on-farm pasteurization with the LP system effectively destroyed all of the pathogens.
- the LP system can also increase the shelf-life of the waste-milk when used in conjunction with on-site pasteurization.
- the shelf-life of the waste-milk that has been pasteurized on-site and also treated with the LP system can be in excess of about 12 hours at 40°C and in excess of about 7 days at 4.5°C, whereas on-farm pasteurized waste milk has been known to sour within 3 hours at 40°C.
- the LP system can increase the shelf-life of the waste- milk even without pasteurization.
- the shelf-life of LP system treated waste-milk can be greater than about four hours. In some preferred embodiments the shelf-life of LP system treated waste- milk can be greater than about eight hours.
- the present invention also includes methods of treating milk compositions with the LP system.
- Milk compositions may be treated with the LP system prior to pasteurization, during pasteurization or after pasteurization.
- the components of the LP system may be added together or they may be added sequentially.
- the iodide and glucose are added at a desired concentration first from within a balancer.
- the glucose oxidase is then added as an add-pack to complete activation of the lactoperoxidase.
- the lactoperoxidase then acts on the hydrogen peroxide and then the iodide.
- the oxidized iodide products of this reaction act as potent bactericidal agents in the milk products.
- the milk compositions may be treated with the LP system at various temperatures. Generally, the milk compositions are treated with the LP system at temperatures where the glucose oxidase is the most active. Preferably, waste-milk is treated with the LP system at temperature between about 4°C and about 50°C. More preferably, the waste-milk is treated with the LP system between about 38°C and about 45°C. At the lower temperatures, the glucose oxidase can be functional, but not fully active. As the temperature increases, the activity of the glucose oxidase can increase. Adding the glucose oxidase at temperatures above 50°C can denature the enzyme. The milk compositions can be treated with the LP system at higher temperatures using other peroxide sources such as percarbonate. About seventy percent of indigenous lactoperoxidase can survive pasteurization.
- the LP system is added prior to pasteurization and the temperature is gradually increased to allow for increased enzymatic activity prior to destruction of the glucose oxidase during the pasteurization process.
- Activity of the LP system can persist for some time beyond the destruction of the glucose oxidase.
- the LP system activity may be present in the waste-milk until it is consumed by an animal. Antibacterial activity may continue within the abomasum prior to digestion of the milk.
- the waste-milk can be treated with the LP system for at least about 20-600 minutes, preferably at least about 30 to 120 minutes.
- the treatment with the LP system can be prior to refrigeration, storage or feeding of the milk.
- the present invention also includes treating milk compositions to inactivate the Mycobacterium avium subsp. Paratuberculosis (MAP) bacteria that may be present in the milk compositions.
- MAP Paratuberculosis
- the MAP bacteria in milk are difficult to eliminate and seem to survive pasteurization in some cases.
- MAP is known to be causative agent of Johne's disease in cattle and other ruminants.
- MAP in milk can reduce the incidence of the disease, especially considering susceptibility is high during the early stages of the animal's life.
- Cow's milk is one of the primary vehicles for dissemination of MAP, both through MAP being passed through the mammary gland and due to on-farm fecal contamination of the milk.
- MAP in milk can be eliminated by treating the milk with the LP system in combination with pasteurization as described above. This is demonstrated in Tables 10 and 11 below.
- the use of the enhanced LP system with a halide, preferably, iodide can be particularly effective against MAP, since the LP system mimics the highly effective peroxidase, peroxide, halide (PPH) system which is used by phagocytes to destroy bacterial invaders. Phagocytes which MAP organisms are able to invade are those which have lost this PPH system.
- PPH peroxidase, peroxide, halide
- the enhanced LP system is advantageously more effective against MAP and other pathogens, for example, than the lactoperoxidase system using thiocyanate or a chloride.
- the present invention may also include treating waste-milk with the LP system to inactivate Cryptosporidium parvum, a protozoan parasite that can cause life-threatening diarrhea in calves.
- the present invention includes any milk products or milk-related products treated with the LP system, including, for example, treated waste-milk, raw and pasteurized milk, milk balancer and/or colostrum.
- the treated milk products include the LP system and reduced numbers of bacterial pathogens.
- the milk products may or may not have been pasteurized prior to, during or after treatment with the LP system.
- the treated milk products have reduced numbers of the MAP, E coli, Salmonella, Clostridium perfringens, Mycoplasma bovis and similar bacteria or organisms.
- the milk products even after storage have reduced numbers of bacterial and/or parasitic pathogens.
- the present invention includes treatment of a waste-milk composition with the LP system.
- the waste-milk product after treatment with the LP system can be appropriate for feeding calves.
- the waste-milk product may or may not be pasteurized.
- the LP system uses iodide as an added component of the LP system.
- the pathogen load of the waste-milk treated with the LP system is significantly lower than the pathogen load of the untreated waste-milk, whether the LP system is used in conjunction with pasteurization or without pasteurization.
- the present invention also includes a milk balancer product.
- the milk balancer can include the components of the LP system and may also contain additional nutritional supplements.
- a milk balancer is a powdered supplement, similar to milk replacer, but it is designed to be added to waste milk to balance the nutrition of the waste-milk to optimal levels for dairy calves. Dairy calves are reared artificially, unable to nurse as desired, and live in a more controlled environment so their optimal nutritional requirements are different than what is provided by milk alone.
- a balancer generally includes protein, fat, and other nutrients such as vitamins and minerals, as well as neutraceuticals, approved medications and other functional ingredients.
- the milk balancer product may include the glucose, glucose oxidase, iodide, protein and fat.
- the amount of protein in the milk balancer can be between about 15 percent by weight and about 30 percent by weight, preferably between about 24 percent by weight and about 28 percent by weight.
- the amount of fat in the milk balancer can be between about 2 percent by weight and about 15 percent by weight, preferably between about 8 percent by weight and about 12 percent by weight.
- kits or add packs with components that can activate the LP system.
- the kits or add packs can include activation components such as glucose, glucose oxidase and a halide.
- additional peroxidase such as additional lactoperoxidase or other peroxidases as described herein can also be included.
- Other components such as other hydrogen peroxide sources, salts of organic acids and the like may also be included.
- the components may be packaged individually or they may be combined to form a mixture or mixtures that can be added to the milk compositions. The components can be added to the milk compositions prior to storage and/or prior to consumption by animals or humans.
- the present invention also includes a method of feeding calves that enhances the growth characteristics of the calves.
- Other animals that may also be fed the LP system treated milk can include, for example, lambs, kids, foals, and other young animals that can be fed milk.
- the calves can be fed waste-milk or pasteurized waste-milk treated with the LP system.
- the calves may be fed waste-milk or pasteurized waste-milk that has been combined with a milk balancer product.
- the milk balancer product includes the LP system and nutritional supplements as described above or waste milk treated with the LP system prior to pasteurization, to which a balancer is added.
- the calves fed the waste-milk treated with the LP system described herein can have improved growth and or health profiles.
- the present invention can also include a method of aiding in the prevention of Johne's disease.
- the method can reduce the spread and/or occurrence of Johne's disease by inactivating MAP that may be present in milk products. This in turn can reduce the occurrence and exposure of MAP to animals.
- the method includes feeding animals milk products treated with the LP system described herein.
- GLOX Glucose oxidase from Novozyme, brand name Gluzyme 10,000 Culture preparation
- Culture preparations consisted of 5 E .coli strains, 5 Salmonella strains and 5 Clostridium perfringens strains. All of the strains were received from Wisconsin Veterinary Diagnostic Laboratory and were confirmed calf pathogens. E. coli and Salmonella strains were grown in nutrient broth at 35°C and Clostridium perfringens was grown in Reinforced Clostridium broth at 37 °C anaerobically. The five strains of each organism were combined and used in separate mixed preparations for growth evaluations.
- the milk samples were evaluated without the LP system, with the LP system and with the LP system at a level of 60%. The samples were evaluated initially (0 hours) and at 3 hours.
- Milk Samples were dispensed into sterile test tubes and inoculated with a mixed culture that consisted of E.coli, Salmonella, or Clostridium perfringens.
- the target inoculation level was 10 4 CFU/mL.
- Cultures were diluted in sterile saline before use in inoculation to minimize growth media carry over to test variables. Ratio of inoculum volume to total test suspension volume was less than 0.1%.
- the culture tubes were incubated for 3 hours in a 39°C agitating water bath at 60 oscillations per minute. The growth of bacteria was enumerated by plating method at time 0 and 3 hours.
- Table 8 shows the results of the LP system effect on the different bacteria. All milk with LP System variables decreased the counts of E.coli and Salmonella after 3 hr incubation at 39°C as shown in Table 8. However, in the milk without LP System, the counts of E.coli and Salmonella increased 1.8 log.
- MAP Mycobacterium avium subsp. Paratuberculosis
- Immunocapture step the contents of the tubes were mixed gently for 30 min at room temperature on a Stuart rotator mixer at 8 rpm.
- Magnetic separation step tubes were transferred to magnetic rack and beads were separated for 10 min. The rack was rocked back and forth halfway through the separation period. The sample was carefully pipetted leaving the beads adhering to the back of the tube. Wash steps: beads were washed twice with 1 ml wash buffer (PBS-T20), and separated on the magnet for 2 min between washes. The beads were resuspended in 1 ml PBS-T20 and 300 ⁇ was taken for enumeration on HEYM slopes. Magnetic separation was performed again and remaining beads resuspended in 700 ⁇ NOA- supplemented Media Plus and incubated overnight at 4°C for phage assay.
- PBS-T20 wash buffer
- the titer for MAP culture was about 7.5 x 10 5 CFU/ml.
- Immunomagnetic separation (IMS) was used as a decontamination step to reduce milk components and background microflora.
- the protocol and beads were purchased from Lab21 Limited, Cambridge, United Kingdom.
- FASTPlaque-MAP assay was used to detect viable counts of MAP in milk samples. Table 9 shows the amount of the LP system components used. Table 9
- Detection of live MAP was accomplished by using the FASTPlaque -MAP assay and the MAP culture enumeration method (MPN method)
- Results are shown in Table 11 (FASTPlaque-MAP Assay Results) and Table 12 (MPN Method Results) below.
- the representative phage pictures of 6 variables are shown in Fig. 2.
- the most probable number (MPN) method was used to estimate the number of MAP cells per ml of sample.
- the MPN estimation was determined using 3 series dilutions with 3 slants per dilution level (9 tubes).
- GLOX Glucose oxidase from Novozyme, brand name Gluzyme 10,000
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CA2793176A CA2793176C (en) | 2010-03-18 | 2011-03-16 | Enhanced lactoperoxidase system for treatment of milk products |
MX2012010741A MX2012010741A (en) | 2010-03-18 | 2011-03-16 | Enhanced lactoperoxidase system for treatment of milk products. |
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US31522410P | 2010-03-18 | 2010-03-18 | |
US61/315,224 | 2010-03-18 | ||
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US61/352,971 | 2010-06-09 | ||
US13/046,162 | 2011-03-11 | ||
US13/046,162 US20110229598A1 (en) | 2010-03-18 | 2011-03-11 | Enhanced lactoperoxidase system for treatment of milk products |
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WO2015018739A1 (en) * | 2013-08-06 | 2015-02-12 | Bienca N.V. | Antimicrobial compositions and use thereof in food preservation |
WO2023213499A1 (en) | 2022-05-05 | 2023-11-09 | Universite de Bordeaux | Bacterial myeloperoxidase-catalase and applications thereof |
WO2024126571A1 (en) | 2022-12-14 | 2024-06-20 | Universite de Bordeaux | Artificial bifunctional enzyme comprising a myeloperoxidase activity and a glucose oxidase activity and applications thereof |
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US9668500B2 (en) | 2012-04-24 | 2017-06-06 | Purina Animal Nutrition Llc | Feeding methods and systems for young livestock animals using sensory compounds |
AU2014264531A1 (en) | 2013-05-08 | 2015-09-24 | Novozymes A/S | Animal feed enzymes |
US11213051B2 (en) | 2014-07-02 | 2022-01-04 | Purina Animal Nutrition Llc | Milk replacer products containing halides and sources of hydrogen peroxide and methods of feeding same |
US10940172B2 (en) | 2017-01-03 | 2021-03-09 | Purina Animal Nutrition Llc | Methods of feeding animals phytogenic products |
WO2018152054A1 (en) * | 2017-02-14 | 2018-08-23 | Fairlife, Llc | Processes for the enzymatic treatment of uht sterilized milks to reduce cooked flavor, sulfur odor, and brown color |
US11026966B2 (en) | 2018-05-02 | 2021-06-08 | Purina Animal Nutrition Llc | Animal feed products containing percarbonate and methods of feeding same |
WO2021016340A1 (en) * | 2019-07-22 | 2021-01-28 | Dairy Tech, Inc. | Cold pasteurization |
TW202304479A (en) | 2021-04-14 | 2023-02-01 | 美商普瑞納動物營養有限公司 | Mitigation of cryptosporidiosis using hydrogen peroxide-generating compositions |
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- 2011-03-11 US US13/046,162 patent/US20110229598A1/en not_active Abandoned
- 2011-03-16 WO PCT/US2011/028609 patent/WO2011116052A2/en active Application Filing
- 2011-03-16 CA CA2793176A patent/CA2793176C/en not_active Expired - Fee Related
- 2011-03-16 MX MX2012010741A patent/MX2012010741A/en unknown
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WO2023213499A1 (en) | 2022-05-05 | 2023-11-09 | Universite de Bordeaux | Bacterial myeloperoxidase-catalase and applications thereof |
WO2024126571A1 (en) | 2022-12-14 | 2024-06-20 | Universite de Bordeaux | Artificial bifunctional enzyme comprising a myeloperoxidase activity and a glucose oxidase activity and applications thereof |
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CL2012002556A1 (en) | 2014-03-28 |
US20110229598A1 (en) | 2011-09-22 |
WO2011116052A3 (en) | 2011-12-22 |
ECSP12012255A (en) | 2013-01-31 |
WO2011116052A9 (en) | 2012-02-16 |
CR20120499A (en) | 2013-04-01 |
CA2793176A1 (en) | 2011-09-22 |
MX2012010741A (en) | 2012-10-09 |
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